INDEX. 413 



E. 



Eastman, Robert, Mr. his improved saw machine, 146 



Eaton, Prof, on a singular deposit of gravel, 22 — notice of his geological sur- 

 vey of Rensellaer County, 203 — his outline of the geology of the High- 

 lands, 231 — catalogue of his and Dr. Beck's minerals, 269 



Editor, his miscellaneous notices in mineralogy and geology, 39 — his corres- 

 pondence with Doctor Hare on the Deflagrator and Calorimotor, 94 — on 

 the instruments, when used in connexion, 102 — on the fusion and volati- 

 lization of charcoal, 106 and 361 — on the character of Prof. Fisher. 375 — 

 his miscellaneous notices of minerals, 234 



Education in Ohio, 407 



Effects of the exhilarating gas, 194 



Eggs, means of preserving, 379 



Electro magnetism, 388 and 391 — ingenious instrument for showing the 

 effect of, 396 



Elliot, Jared,Rev. letters to him, 157 



Enamel for Porcelain. 189 



Encouragement to science at Brussels, 381 



Estimation of the mass of water which flows down the Rhine at Basle, 392 



Eulogy on Prof. Fisher, extracts from, 367 



Example interesting of electrical attraction, 198 



Extensive draining in Russia, 393 



Extracts of a letter from William M'Clure, Esq. 197 — from Dr. Hare, 200— 

 from Mr. H. Webb, on a fermenting pond, 199 — from General E. Hoyt,on 

 electricity, 125 



F. 



Feet, human, prints of, in limestone, 223 



Fisher, Alexander, Prof, on maxima and minima, of functions of tAvo variable 



quantities, 82 — extract from Prof. Kingsley's eulogy on him, 367 

 Fixed stars, twinkling of, 156 

 Fluor spar, 405 and 407 

 Foreign literature and science, 169 and 377 

 Formation of flexible elastic tubes, 153 



France, climate of the south of, 171 — deaths in, 179— hospitals in, 191 

 Franklin, Benjamin, Doctor, his letters to the Rev. Mr. Elliot, 157 

 Franklinite, 400 

 Fusion of charcoal by the editor, with remarks by Prof. Griscom, 361 



Galvanic instruments, 388 and 395 



Galvano magnetic condenser, 394 



Geneva, mutual instruction in, 179 and 380 



Geological survey of North Carolina, 202 — at Rensellaer County, 203 



Geology of the Highlands, remarks on, 26 



Geognosy, poetical, 273 — geological poems, 272 



German language, progress of, in Italy, 385 



Gibbs, George, Col. catalogue of his minerals, 265 



Grammar of philosophy, 405 



Gravel, a singular deposit of, 22 



Green, Jacob, Prof, his notice of a mineralized tree, &c. 251 



